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1 answer
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Looking for a large capacitive touch array controller

I'm building a capacitive touch panel. It has an odd shape, so I resulted to building my own with the capacitive diamond array solution. It doesn't have a screen underneath, so it's all contained on a ...
Tamás Fehér's user avatar
1 vote
0 answers
36 views

What CAD software is used to design and manufacture projected capacitive touchscreens?

I am looking to learn more about how projected capacitive (PCAP) touchscreens are designed and made, specifically with laser ablation. What kind of CAD software is used to create layered drawings for ...
Thien Ho's user avatar
3 votes
1 answer
599 views

How can I use a microcontroller to trigger an existing capacitive-touch pad?

(Note: I have found several other questions on a similar topic, but none of them address my specific issue.) I have a lamp that is controlled by non-contact touch buttons. The user-facing surface is ...
Sod Almighty's user avatar
  • 1,495
1 vote
0 answers
120 views

Correct design of capsense controls

I am trying to design a PCB with some capacitive controls. My first iteration did not seem to work well: This was a 2-layer 1.6mm board with one circular control, and 5 buttons. The board is 48mm ...
Rocketmagnet's user avatar
  • 27.6k
2 votes
1 answer
140 views

Capacitive Touch Pad Design with TTP224 ic

I am designing circular capacitive touch pads of Dia:20mm driving from TTP224 IC on my PCB. There will be 2mm glass panel above Touch pads. My PCB contains other circuits like Arduino, Antenna bands ...
saurabh kandalkar's user avatar
0 votes
0 answers
33 views

Is there a material that I could use to generate cap touch presses? [duplicate]

I want to automate some testing that uses captouch as the interface for the human user. I would love to use an Arduino or similar's GPIO to create the equivalent press and release events from a finger....
Gabriel Velasco's user avatar
-2 votes
2 answers
136 views

What touch circuit or sensor to use inside a concrete lamp?

Hi I was planning to build a capacitive touch circuit to control a concrete lamp. Will the touch work through 8mm thick concrete slab. If yes please suggest best way. Thanks in advance.
Dinakar K's user avatar
0 votes
1 answer
125 views

PIC16F1827 Capacitive Touch Sensor not Incrementing Timer?

So I have a PIC16F1827 on a breadboard and was trying to get a simple demo working where I touch a wire to turn on an LED using the Capacitive Sensing Module. I was primarily going off this example I ...
Austin Leydecker's user avatar
1 vote
0 answers
1k views

Raw data acquisition from a capacitive touch screen

I'm trying to integrate an existing PCAP touch screen into an experimental project I'm working on. For it to work the way I want, I need access to the raw data from the touch-screen nodes instead of ...
JohnHankinson's user avatar
4 votes
1 answer
6k views

How can I build a touchpad/trackpad? [closed]

Every laptop has one - a touchpad/trackpad - for controlling the mouse. I'd like to build my own, external one. I've looked around and I cannot find a tutorial. I have come across 1 example where a ...
pookie's user avatar
  • 141
1 vote
1 answer
2k views

What material to use for a capacitive sensor?

I'm doing a DIY project that I want to use a capacitive sensor for. I'm having a little plastic box and I want to send a wireless message when someone touches the top of it. I understand all the ...
Svízel přítula's user avatar
-2 votes
1 answer
1k views

capacitive touch buttons through VERY thick glass or macrolon? [closed]

for a science-project I need to create 4-5 capacitive touch buttons through thick glass or macrolon. I think we talk about 15cm atleast, if not 20. I wonder if a big coil or big sheet of tinfoil would ...
Phish's user avatar
  • 1
0 votes
1 answer
828 views

2D DIY capacitive panel

I'm planning on replacing lights with smart bulbs (e.g. Yeelight RGBW) and replacing light switches with capacitive panels connected to Arduinos which will send data to RPi, which will then control ...
Rikpat's user avatar
  • 3
0 votes
1 answer
199 views

capacitive touch film or integerated capacitive touch panel display? using under glass [closed]

We need to put display under 2mm glass. Our device must have capacitive touch input. which method should we use? Capacitive Touch Films (place it under glass) or LCDs with integrated capacitive touch (...
Pooya's user avatar
  • 3
3 votes
1 answer
5k views

Convert capacitive touch sensing back to mechanical switches?

Capacitive sensing seems to replace often mechanical switches. Is there a way to convert them back to mechanical switches? Problem at hand is a cooking device with interfaces with the user via the ...
humanityANDpeace's user avatar
1 vote
1 answer
1k views

Which MCU (Atmel) I can use with QTouch library?

Some MCU have QTouch support - # touch channels implemented as a hardware. Is it true that QTouch library was designed only to work with such MCUs? Can I use it with, for example, 'old' ATmega48? Is ...
VIPPER's user avatar
  • 356
1 vote
1 answer
184 views

Thermoplastic-based touch panels: why not?

(I'm new to EE.SE, so I don't know if this is on-topic here. Please forgive me.) From what I understand, capacitive touch technology relies on coating one side of a resistive material with a ...
Tortoise's user avatar
  • 264